OUTPUT DEVICE OF A TURBOJET ENGINE Russian patent published in 2023 - IPC B64D33/04 F02K1/04 F02K1/12 F02K1/46 F02K1/52 

FIELD: turbojet engines of aircraft.

SUBSTANCE: invention relates to turbojet engines of aircraft. The output device of the turbojet engine (turbojet engine) (14) of the aircraft contains a shell (1) docked to the aft part (15) of the fairing (16) of the turbojet engine, made with the possibility of axial movement, and an inner nozzle (2). The inner nozzle (2) contains an inlet section (3) rigidly fixed to the body Turbojet engine (14) at the outlet (17) of the jet stream (18), the outlet section (4) and the housing (5) of the inner nozzle located between them. The body of the inner nozzle (5) is made of segments (6), closed to each other by side surfaces (7). All or part of the segments (6) are made with the possibility of moving up to the formation of cracks (8) between adjacent side surfaces (7).

EFFECT: it is possible to reduce the acoustic noise level created by the engine with the appropriate requirement for its operation mode.

6 cl, 5 dwg